SIGNIFICAND(3) Linux Programmer's Manual SIGNIFICAND(3) NAME significand, significandf, significandl - get mantissa of floating- point number SYNOPSIS #include <math.h> double significand(double x); float significandf(float x); long double significandl(long double x); Link with -lm. Feature Test Macro Requirements for glibc (see feature_test_macros(7)): significand(), significandf(), significandl(): _SVID_SOURCE || _BSD_SOURCE DESCRIPTION The significand() function returns the mantissa of x scaled to the range [1,2). It is equivalent to scalb(x, (double) -ilogb(x)) This function exists mainly for use in certain standardized tests for IEEE 754 conformance. CONFORMING TO These functions are nonstandard; the double version is available on a number of other systems. SEE ALSO ilogb(3), scalb(3) COLOPHON This page is part of release 3.27 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. GNU 2009-02-04 SIGNIFICAND(3)
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